Shellac over oil based paint

Shellac over oil based paint. Shellac-based primers are an effective sealant to control odours associated with fire damage. >> is there a way of determining if a shellac finish has wax in it? Not practically. Greatest stain sealer. A dewaxed shellac will stick and stay on top of a coat of varnish. ). Once it's fully dry according to whatever Oct 19, 2023 · Placing Latex Over the Oil Primer. Jun 20, 2023 · Then add a primer layer over the existing surface. I used it on the exterior of my pop -up camper before painting with oil-based paint and it’s held up extremely well! Kilz Premier 3 Primer Dec 7, 2020 · For the latex paint over oil primer to be successful, you need to first ensure that your painted surface is properly dry. He does not; however, cover the your case of shellac over latex paint because the context of his book is wood finishes that do not hide the look of the wood itself. Another goal is to enhance its appearance, adding color Mar 22, 2023 · Yes, you can apply shellac over acrylic paint. In one area, however, oil-based products still hold their own over latex: primers. TEAM WATER-BASED May 17, 2024 · If you are painting over white silicone caulk, you may need to apply two coats of paint to ensure that the color is even. This requires you to lightly sand the painted surface, then clean up the dust before you paint latex over the surface. The salt helps to absorb the odors, while the lemons add a citrusy scent to the space. Sep 28, 2018 · Shellac has been totally overhyped as a sealer. Oil-based primers sand well but dry more slowly (some can take 48 hours or longer). Report an issue with this product or seller. >> can you put dewaxed shellac over a wax-containing shellac finish, Yes, that will work. You can even spray oil-based paint over latex, but you should avoid spraying latex over oil-based paint. Jul 1, 2022 · Use it to add more protection over oil finishes, or as a first layer under lacquer or polyurethane. ” What finish can be applied over a tung oil finish to maintain a glossy look? Apr 19, 2020 · There are many questions around latex paint and oil based primer but, can you use latex paint over oil based primer? Yes, you can. In water-based paints, the binding agent used to combine Oct 14, 2019 · Doors, Skylights and Windows - Zinser Bullseye 123 Primer over Oil Based Paint - Is Bullseye 123 any good for priming old oil base doors and frames? So far I have sprayed half of our interior doors with it and top coated them with SW Pro-Classic, but I have only half finished their frames, which are being brushed. How to Paint Over Non-Paintable Caulk. The first option is oil-based paint, which provides excellent adhesion to shellac and creates a smooth and high-quality finish. The designs are quite intricate, so any thinning at all will be Shellac is an odour and stain blocker and so is often used as the base of "all-purpose" primers. ) Mar 22, 2016 · Mar 22, 2016 at 2:40. It has a very fast drying time, is extremely porous and is not soluble in water, so it acts as a 1). Just apply the shellac blend with a clean rag. This can cause lap marks and makes it harder to sand and get a smooth base for the topcoat. Sep 12, 2023 · Step 2: Prepare the surface. As is the case with most painting products, there are a few varieties of primers on the market. However, you can get around it using a shellac primer or caulk you can paint over. It also blocks odours and only takes 45 minutes to dry. Mar 14, 2023 · Crayons, water, smoke and grease can bleed through the topcoat. Polycrylic. The next step to painting latex over older oil-based paint after cleaning off the peeling oil-based paint or oil-based primer is sanding the surface. Best Feature: Stain blocking. You can follow this with any paint type. May 1, 2013 · Shellac is most often used in artwork as a sealing finish on wood or other porous substrates that will later be painted over. Shellac has it’s place in an artists toolbox, but priming canvas is not it. Use oil-based primer on surfaces with high moisture or where you need to block stains. May 7, 2024 · Zinsser BIN is a white-pigmented, shellac-based primer that seals surfaces to keep sap and tannin from bleeding into paint when you're painting wood. After the shellac dries, a light scuff-sand will leave an excellent surface for the poly to grip. Rejoice, DIYers and professionals alike! Shellac is entirely compatible with oil-based stains. Dissolved in alkali and water, shellac can be used in watercolor painting as a fixative. polyurethane (say as a binder coat), any chip in the poly or any water gets in and it'll destroy the finish Jan 16, 2007 · Purpose of use for Painting Supplies, house-primers. Seals pet, smoke and musty odors. Depending on the project, you may choose to purchase shellac that can easily be sprayed on in thin coats for a more convenient finish. This is your best option, as there are no inherent characteristics of completely dry oil-based paint that will prevent a layer of latex paint from adhering to it. Mineral oil should not be used over any Waterlox products. Not by itself, over anything, or under anything either. Jul 8, 2015 · We've used latex paint over oil based Kilz in the past with no problems. For interior and spot exterior use. Be sure to wash away any dust caused by the sanding and allow the area to dry before adding your paint. Sep 21, 2008 · The only problem with Danish oil in this application is the fact that most Danish oil contains a high amount of oil. Keep in mind that you don’t have to use sandpaper always. Learn the differences between oil-based paint and water-based paint to make an informed choice for your next home project. The best stain-blocking primer depends on the surface and the stains you need to block. Silicone caulk is a high-end caulk product meant for areas that are likely to be exposed to water. Prime these areas with a stain-blocking or stain-killing primer. Conventional house paint works on silicone caulk that has been treated with painter's caulk. BEST BANG FOR THE BUCK: Zinsser Bulls-Eye 1-2-3 Acrylic Primer and Sealer. Finally, the oil-base varnish provides a lot of durability (e. Mix 1/4 cup to 1/2 cup (for extra dirty surfaces) TSP with a gallon of hot water. So what you are really looking for is a simple wipe-on Apr 7, 2023 · Deep Clean the Surface. I’ve done some digging here, but not completely clear on using shellac over paint. Dec 5, 2015 · To make a primer for canvas, acrylic is better for me, it is mostly more flexible than other materials. After preparing the area, applying a bonding primer will maximize paint adhesion and enable the transition from oil to water-based paints. Sanding is an important step in the surface preparation Feb 10, 2024 · February 10, 2024 - By Jose Henry. Water-based primer typically dries faster than an oil-based primer. B-I-N®, developed in 1946, is the original shellac-based white-pigmented primer-sealer stain-killer. Keep in mind that it’s easier to add more wax after applying with a very light hand than to buff out surfaces after using too much wax. Apply either an oil-based or a shellac primer. Shellac and oil based stains are the best! Jul 17, 2022 · Here are some of the differences: Water-based primer is easier to clean up. Start painting after allowing the primer to dry for several hour. An oil/varnish finish usually needs three or four coats for a nice build. Next, shake it up and down 12-14 times to mix well. With interior applications and exterior spot-priming, there’s another option: shellac Jul 1, 2022 · Use it to add more protection over oil finishes, or as a first layer under lacquer or polyurethane. Dec 26, 2020 · Fast-drying primers like shellac and many water-based products dry too quickly and become brittle. Mar 13, 2021 · Types of Paint that can be Used over Shellac. Afterward, give the latex time to fully cure to ensure the most Oct 21, 2022 · Apply denatured alcohol. For one of the top stain blocking primers, try Zinsser B-I-N Shellac-Base Primer. With the proper preparation, painting over shellac is a relatively easy project. Oil-based stain killers work the best on water stains and for spot-priming. It fills and binds wood fibers to create May 22, 2023 · Yes, it’s possible to spray paint over latex paint. As said, stripping a shellac finish is relatively easy. It's important to use a bonding primer over the oil-based paint, which gives the latex the best chance of adhering to the primer properly. It is durable, non-yellowing and imparts a warm glow to all wood surfaces. BEST BONDING: INSL-X SXA11009A-04 Stix Acrylic Waterborne Bonding Yes, you can use shellac as a primer. If you applied it, I would sand it off if you could and use oil based primer. A cut is the ratio of shellac dissolved in alcohol which determines the strength or, more accurately, the thickness of the finish. The General Finishes products are mostly varnish, if not all varnish (Arm-R-Seal). Waiting for 72 hours before topping BLO with a coat of shellac would even be better. shellac is a natural resin created by lac bugs that is dissolved in alcohol to make a sealant. You may skip this step but it is highly recommended to sand the surface before applying the primer. You can even add a new coat of latex paint over the old one. Relatively Inexpensive: You can buy a pound of shellac flakes for $30 or $40 — which can last you a really long time, depending on your use. Here’s why using latex paint over an oil-based Nov 16, 2021 · Use shellac-based primer when applying chalk paint over damped (wet), stained, or damaged surfaces as the primer will prevent moisture and stains from bleeding through the paint coat. Zinsser BIN Shellac Based Primer. If you can see stains coming through the primer, let it dry overnight and then apply another coat of primer, until you can't see the stains coming through the primer anymore. Sand any B-I-N seals unpainted or porous surfaces so topcoat paints have better coverage. Use fine-grit sandpaper (180-220 grit) to remove the gloss from the surface. Maura White on Jun 18, 2021. However, it's imperative you carefully prepare the surface. It's okay to use a latex-based bonding primer, as long you ensure it's made for bonding. All you need to do is rub it on liberally and then wipe the surface to seal it. And then, spray the surface holding the can 2-3 inches away from the silicone surface. Although its durability against abrasives and many common solvents is not very good, shellac provides an excellent barrier against water vapour penetration. Wipe off any dust with a damp cloth and then apply the shellac according to the manufacturer’s instructions. Then use a lint-free cloth or wax brush to apply wax with a smooth, even rubbing motion. Latex stain-blocking primers work better on large Aug 11, 2014 · Generally speaking, shellac-based finishes can be used between any two other finishes. Nov 2, 2014 · Linseed oil paint works much more readily than the milk paint I used. Sep 14, 2022 · Oil-based primers are the best primers for kitchen cabinets. Sticks to all surfaces without sanding. Oil-based primers are renowned for their Jul 26, 2010 · 31 posts · Joined 2010. Aug 26, 2022 · Make sure the existing coat is fully cured. Once that's removed, Use a quality alkyd primer (ie. To reassure me further I took to reading up – and two sources were very helpful, one new and one old. For most paint jobs, both inside and outside the house, latex paint is preferred. Jul 18, 2022 · Wait at least 2 weeks after the last application of mineral oil. For brushing, Sealcoat is fine as it is. It will brush smother at that cut. Be patient and let the paint dry between coats. With the right preparation, using latex paint on an oil base will give you exceptional results with a very strong, lasting painted surface. Once you’ve sanded the surface, you can use the shellac primer. Palmer. The water-based polyurethane dries clear and is easy to clean up with soap and water. Zinsser BIN is a stain block, adhesion primer and barrier coat all in one. 2-4 inch natural bristle paint brush. Yes, if waterborne paint is used. D. That means BLO will take between 24 and 72 hours to cure. This is a great oil-based primer for painting over wallpaper that can be used on any surface to help block stains. Latex emits fewer odors and VOCs than oil-based paint, and it cleans up much more easily. Their most important job is to adhere to the substrate while creating a uniform surface that is ready to receive paint. For maximum stain blocking ability, I like to apply 2 coats, and let it dry overnight before painting over it. Dec 7, 2020 · For the latex paint over oil primer to be successful, you need to first ensure that your painted surface is properly dry. And the Kilz website states that latex and oil based paints can be used over their oil based primers. The new is Stephen Shepherd’s book “ Shellac, Linseed Oil & Paint ” and the old is Peter Nicholson’s “ The Mechanic’s Companion . In the 1920s shellac was replaced in factories by lacquer for two primary reasons: shellac resin (from bug secretions) is a Shop All. Assuming that you’ve put a thin coat of boiled linseed oil on the wood, you can apply shellac over it in 24 hours. You can use either latex or oil-based paint over the primer or shellac. Spray till the entire silicone is covered with shellac. When deciding which type of primer to buy Dec 7, 2021 · Generally, people use a surface film finish over shellac. You wouldn’t use it as a finish coat. In conclusion, painting over silicone caulk requires the application of primer and paint. Step 2: Apply a New Layer of Acrylic Latex Caulk. You can make your own shellac finish by simply buying Shellac flakes and and alcohol and mixing your own cut. The deep penetration of the oil-based stain followed by the sealing and enhancing power of shellac creates a robust and beautiful finish. Just finished priming a pink-coloured room with Zinsser shellac primer, which took a whole gallon for a relatively small room. Bulls Eye (R) Shellac. Jun 12, 2021 · When sealing milk paint with waxes, the process is fairly simple. Primers are specially formulated paint products that are used to prepare surfaces for the finish coat of paint. Feb 15, 2024 · What you may not know is that choosing the correct type of primer can make a significant difference in the appearance of your completed painting project. Zinsser Cover Stain is an oil-based primer I've used a lot over the years for priming cabinets, exterior wood, and wall stains. WARNING : California’s Proposition 65. Shellac and oil based stains are the best! May 31, 2021 · Type: Shellac-based. Shop All. Polyurethane clear coat is a popular choice for protecting oil-based paint. The general rule is strictly using other water-based paint, such as acrylic paint or shellac. I have a piece of poplar which has been painted with Sharpie oil-based paint pens. This includes lightly sanding the oil primer with the help of sandpaper in order to create a smooth surface where both the paints can blend with each other. It goes on clear without adding a slight color that oil-based versions can, and it dries much faster. Scrape off any chipped or peeling paint and fill cracks or dents with wood putty. Sep 21, 2010 · Trusted by generations of woodworkers, shellac is a traditional, quick-drying finish that is ideal for antiques and fine furniture. Mar 25, 2023 · Step 2: Spraying with Shellac. Choosing the right primer for your painting project is crucial for a long-lasting and professional finish. By. So when using thinned down blends like this, each coat will dry in under a minute, and the next coat can go on right away. Priming bare timber is another use, although there Jun 10, 2013 · Shellac is most often used in artwork as a sealing finish on wood or other porous substrates that will later be painted over. This happens to be the go-to primer for many people when painting non wood surfaces like laminate. Spray the carved letters and since it has been coated in Once you've done this simple step, you should then coat the brown inner-core paper with an oil-based sealer that dries quickly. It has been used for thousands of years to prime surfaces for painting and has a few advantages over other primers. However, the curing process may take longer during cold days. But most folks are more comfortable adding DNA at a 50/50 ratio. Bonding primers prevent paint from chipping or peeling, allowing maximum adhesion. Pure shellac – pure shellac is a great sealer of VOCs but it’s harder to paint over. 3). The primer prevents wood tannin and annoying stains from bleeding into top coats, and the primer forms a solid bond with paint too. Choose 1 primer from the list above. Water-based poly can have adhesion problems when applied over an oil-based stain that's not thoroughly cured. The nontoxic, all-natural finish comes in aerosol spray form for easy application as a protective sealer for household projects and crafts. However, you need to roughen up the surface of the paint first so that the shellac will adhere properly. Polyurethane vs. It is formulated to seal, prime and block out stains on previously painted or new work. Oil-based primers take at least eight hours to dry. Applying Shellac. Table of Contents. Drill Jigs & Guides. These fall under three categories, latex-based, oil-based, and shellac primer, with each type possessing particular qualities that will make it easier for you when working on certain surfaces. Each type gives you certain benefits, as well as a few drawbacks. In water-based paints, the binding agent used to combine BIN shellac-based primer is one of the most effective primers for preventing tannin bleed. • Oil-based is also ideal if blocking smoke and water stains as well as unwanted odors. I refer you to "Understanding Wood Finishes" by Bob Flexner in which he makes this case. Any oil or latex paint can be applied over it. 2). Let’s embark on this journey to explore the relationship Aug 16, 2018 · Zinsser Cover Stain Oil-Based Primer. Aug 14, 2019 · Oil based primer is great for raw wood and mdf, where water based primer may cause swelling or stain to bleed through. You can use one coat to seal the wood. Use a sponge that's damp with the TSP solution to wash the surfaces. First, dust off the surface to remove any unwanted grit. I’m planning on painting the wood, sanding, shellac (2-3) coats, then carve everything. If the coating is over seven to 30 days old and can be scrubbed without affecting the finish, consider it cured. BIN Shellac – is a shellac-based primer which does a good job of sealing in offgassing. Nov 21, 2007 · April 12, 2024. The moisture penetrates the paint and breaks down the shellac causing it to crackle into very fine pieces. You can even use left-over oil-based paints. Plus, shellac over paint lasts longer than traditional paints because it’s more resistant to dirt and moisture. Sealcoat is a 2# cut out of the can. Among the most durable of protective coatings, Minwax (R) Fast-Drying Polyurethane offers long-lasting beauty on Jan 6, 2024 · This primer is an upgraded version of Zinsser 1-2-3 with excellent adhesion and stain blocking properties. Get a good shellac spray primer. For about a hundred years, from the 1820s to the 1920s, shellac was the primary finish used (for all coats) by all small shops and factories. Pocket Hole. Aug 4, 2017 · Shellac over paint question. I’m attempting to get rid of the need to use transfer paper because it’s a pain. SEALING Remove any peeling and/or unsound coatings. This eliminates the need to have special solutions on hand. Supplies needed. With a drying time of 15 minutes and re-coat in 45 minutes. #1 · Jul 26, 2010 (Edited by Moderator) I know shellac has the reputation of being compatible with anything, but I'm cautious to apply it on top of some oil-based paint. Apr 29, 2020 · Shellac can be used over the top of your acrylic paint if you are careful to apply it properly. After peeling off the old paint, it’s time for sanding. Nov 24, 2020 · These primers work with both oil paints and latex paints, making them very versatile and applicable to a wide variety of surfaces. Aug 7, 2013 · Are you planning to brush on the shellac or will you use a sprayer?. One of shellac's major virtues is it is compatible with most other finishes; it is used as a barrier between two finishes that are incompatible with each other, for example an oil based stain and a water based top coat (or a lacquer thinner based top coat that would dissolve the stain. Apr 15, 2006 · No, if oil based paint is used. Oil-based primer. Here’s the story. A waxed shellac coat will not. Primer paints come in three different types: oil-based, latex-based, and shellac. It took 14 layers to get the build shown in the photo , way too much time spent and muscle depletion for me. As with shellac, water-based polyurethane won't hold up well to heat and chemicals. May 16, 2022 · Lemon and salt water: Another good-smelling method you might try is lemon and salt water. It’s also important to properly prepare the surface prior to painting in order to ensure good adhesion and a longer-lasting finish. Shellac primer over oil based paint. 3. Apply a new layer of acrylic latex caulk. ) An oil/shellac mixture is not like an oil/varnish mixture. The durability and easy of clean up is between water based and shellac based painting primers. G. Step 2: Priming the Surface. Jul 9, 2013 · One is to seal the wood, in order to prevent moisture from entering the grain and to protect it from heat, scratches, or even insect. BIN is what I use the most for priming kitchen cabinets and tough stains on drywall. The primer I use the most now for cabinet painting is Zinsser BIN shellac, but I still use Cover Stain in certain situations. That's why you should always apply a barrier coat of dewaxed shellac to seal oil-based stain. It is available in both water-based and oil-based formulations. Use B-I-N Shellac-Base Primer to spot prime persistent bleed from knots and sap streaks before full surface priming with a water-based or oil-based primer. It lasts longer and is less likely to degrade than latex or acrylic caulks, resists Aug 15, 2023 · Yes, you can apply shellac over oil-based stain. Caulking gun. The idea here is to overall keep it thin, while also laying down coats than can be built up. Many oil-based primers are good “stain killers Apr 4, 2020 · First of all, let’s look at what you might use a shellac based primer for. You may have to lightly sand the primer over smooth wood surfaces with 180-grit sandpaper to provide an easier bonding surface. Use a shellac spray primer for any surface, and an oil-based paint of your choice. Hi all, I'm doing some home Renos and painting a couple rooms which were previously painted with oil based paints. Jan 17, 2022 · Shellac-based primers are very effective at sealing wood from water stains and odors. May 3, 2024 · You also need to make sure that you use an oil-based paint rather than a water-based paint. Is mixed shellac better than pre-made and what's the best way to apply the finish? Our experts answer these questions. As Gig said, it is too brittle to be applied to a soft substrate, it will crack. This product is manufactured in United States. Allow the surface to dry for a few hours or overnight before coating. Materials Needed. Oil-based primer or priming shellac covers the pattern and seals the paper against moisture to keep the paper from bubbling and the glue from loosening underneath new paint. Varnish must be allowed to cure completely first, before you apply any kind of top coat onto it. Feb 25, 2022 · TEAM OIL-BASED • Choose an oil-based primer if priming over a previous oil-based paint and/or priming on fresh wood. Drill Press Accessories. Clear Shellac Traditional Finish and Sealer adds an elegant, classic finish on paneling, trim and other interior wood surfaces. It comes in both water-based and shellac-based formulas, but the shellac-based formula is what you need to block tannin bleed. Existing cabinets almost always have a smooth painted finish or lacquered finish that is difficult for paint to adhere to. Oil-based Primer is the glue that provides a good base for the first coat of paint. However, this can vary based on the brand and type. Non-paintable caulk means you can’t paint them directly. Sep 20, 2023 · However, there is a solution: using a special base primer. Wood (painted or unpainted), steel and other metals, and surfaces with existing paint, such as interior and exterior walls are ideal surfaces for oil-based primers. To do this, sand the paint lightly with fine-grit sandpaper. If the new paint is peeling off on sheets, you unfortunately now need to remove every last piece of the peeling paint first. Ensure that you prepare the surface well for the best results. Step 3: Apply Primer. One purchased From a paint store like Sherwin Williams or Benjamin Moore, NOT from home Depot) over the original oil paint. Wipe down the surface with a healthy amount of mineral spirits or paint thinner to help remove any residual mineral oil. From our experience, there are several types of paint that can be used over shellac to achieve a beautiful and durable finish. Place it in the room. Traditional oil-based primers require 2-3 days of dry time before you can paint over it. With proper maintenance, you can expect your painted surfaces with shellac over paint to look beautiful for many years! Sep 29, 2023 · Yes, you can paint over latex paint with either a water-based or oil-based paint. It can also be used as an isolating film between layers of paint, both oil and water-based. Painter’s tape Jun 25, 2010 · (The left-hand side is the mixture and the right-hand surface is the right-from-the-can shellac. For best results, use a high-quality latex primer before applying the new paint. Am I applying this too generously, just right, or does this still May 21, 2024 · Here are the most common types of clear coats: 1. Mixing DNA at 50/50 will give you close to a 1# cut. Shellac-base primer-sealer. This product can also be used for minor spot priming outside (wood knots, sap stains, nail rust, etc. There would be more exposure to moisture in a bathroom than outside since it doesn't rain as often as someone would shower in the bathroom most likely. White pigmented, shellac-based primer is great for use on kitchen cabinets as a stain blocker and base coat for paint. When dissolved in an alkali and water, it can be used as a fixative in watercolor painting. • Oil-based will seal the wood better and block any tannin stains that might bleed out. It has all the benefits of an oil-based primer with water-based clean up and a reasonable price tag. That oil will have difficulty curing on top of a pre-sealed surface (from the shellac). Wait at least 30 days before you go coating shellac onto a fresh application of varnish. Apr 25, 2015 · The benefits of having the performance characteristics of shellac primer in a water based formula are numerous and in one respect at least, the synthetic formula is superior. Oct 24, 2023 · Types of Primer Available. Aug 23, 2019 · Oil and water don't mix. Add about 2 tablespoons of salt to a large tub of water and toss in a few lemons cut into slices. It is readily dissolved by denatured alcohol. You can use them as an adhesion primer for painting over old varnish, stain, plastic, existing oil-based paint, metal and ceramic tiles. Step 1: Apply Denatured Alcohol. You can purchase spray cans of these primers, or you can brush on clear or white shellac. Water-based polyurethane is popular because of its low odor and low toxicity. Just be sure that whatever sealer you use, it doesn't contain any water. It’s ideal before painting over wood, metal, or existing oil-based paint. , wear, water and chemical resistance). It is thinned with denatured alcohol, not spirits or turps. I agree with barb that the rule of thumb is both latex and oil could go over oil, but only latex can go over latex. Even under e. Made from all-natural shellac, the Zinsser Bulls Eye 1-2-3 12 oz. Paints That Will Adhere to 100% Silicone Caulk. May 28, 2010 · The shellac is used to seal the oil and add its own color. g. It’s more of a problem-solving product before overpainting with something else. Primers also act to seal pores in wood and other permeable materials as well as to prevent stains Apr 16, 2020 · Zinsser BIN is the industry leader in shellac-based primers. Feb 22, 2024 · BEST OVERALL: KILZ Adhesion Primer, Interior/Exterior. May 11, 2022 · The alternative is to paint over wallpaper. Make sure to let your primer dry overnight before painting over it with your choice of paint. History. Shellac is a good choice over linseed oil because it will adhere well even if the oil isn't fully cured. Great for use on all interior surfaces & spot priming on exterior surfaces. You can also use shellac to block out knot bleeds on previously painted timber. Shellac does best when applied in thin coats. Apr 27, 2011 · Shellac is readily available from B&Q and The Home Depot in the USA. (It is also low-VOC and some people will find it takes some time to offgas). I've gained a lot of experience since asking this question, and can confirm basically all of the answers below: Don't use shellac outside, lol. A water-base means that you can clean the primer with water. If the surface is exceptionally dirty and greasy even after using a tack cloth, your best bet is to use TSP to do a deep cleaning before priming. Drill Presses. . Polyurethane Clear Coat. Most primers will stick over an oil-based surface. Sand the Surface. po hi mm vq bv th ax rx ea zv